2004 IAAF World Indoor Championships – Women's 4 × 400 metres relay

The Women's 4 × 400 metres relay event at the 2004 IAAF World Indoor Championships was held on 7 March 2004.

The winning margin was a huge 6.08 seconds which as of July 2024 remains the only time the women's 4x400 metres relay was won by more than five seconds at these championships.

Medalists
* Runners who participated in the heats only and received medals.

Heats
Qualification: First 2 teams of each heat (Q) plus the next 2 fastest (q) advance to the final.